The Great Wall of China was built by the Chinese over several centuries, beginning in the 7th century BCE.

The Colosseum was an amphitheater used for gladiator fights and other public spectacles.

The Parthenon was built by the ancient Greeks as a temple dedicated to the goddess Athena.

The Hanging Gardens of Babylon were known for their lush greenery and intricate irrigation system.

The pyramids were built as elaborate tombs for Egyptian pharaohs to ensure their safe passage into the afterlife.

The Roman aqueducts were engineering marvels that efficiently transported water over long distances to cities and towns.

The ancient Indians developed the concept of zero and the decimal system, which revolutionized mathematics.

Machu Picchu was built by the Inca civilization as a sacred city and agricultural center.

The ancient Greeks used the golden ratio, a specific proportion, in architecture to create aesthetically pleasing structures.

Hieroglyphics were the written language of the ancient Egyptians, used to record history, religious texts, and everyday life.

The ancient Romans built an extensive network of roads, known as the Roman roads, to facilitate travel and trade.

The ancient Chinese invented the compass, which revolutionized navigation and exploration.

The ancient Mayans developed an advanced calendar system that accurately tracked time and celestial events.

The Abu Simbel temples were built by Ramses II to commemorate his victory at the Battle of Kadesh.

The Temple of Artemis at Ephesus was famous for its massive marble columns, considered one of the Seven Wonders of the Ancient World.